drm/i915/gvt: Introduce page table type of current level in GTT type enumerations

Need to figure out page table type of current level by GTT entry type
during getting a scratch page table entry.

Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>

diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index d47b8b100ac282e75e2f0fedf789092c8bcf701f..74be5e628310a9a60b761b2a003c668f40a2a1bf 100644 (file)
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -156,13 +156,15 @@ int intel_gvt_ggtt_h2g_index(struct intel_vgpu *vgpu, unsigned long h_index,
 
 struct gtt_type_table_entry {
        int entry_type;
+       int pt_type;
        int next_pt_type;
        int pse_entry_type;
 };
 
-#define GTT_TYPE_TABLE_ENTRY(type, e_type, npt_type, pse_type) \
+#define GTT_TYPE_TABLE_ENTRY(type, e_type, cpt_type, npt_type, pse_type) \
        [type] = { \
                .entry_type = e_type, \
+               .pt_type = cpt_type, \
                .next_pt_type = npt_type, \
                .pse_entry_type = pse_type, \
        }
@@ -170,55 +172,68 @@ struct gtt_type_table_entry {
 static struct gtt_type_table_entry gtt_type_table[] = {
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_ROOT_L4_ENTRY,
                        GTT_TYPE_PPGTT_ROOT_L4_ENTRY,
+                       GTT_TYPE_INVALID,
                        GTT_TYPE_PPGTT_PML4_PT,
                        GTT_TYPE_INVALID),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PML4_PT,
                        GTT_TYPE_PPGTT_PML4_ENTRY,
+                       GTT_TYPE_PPGTT_PML4_PT,
                        GTT_TYPE_PPGTT_PDP_PT,
                        GTT_TYPE_INVALID),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PML4_ENTRY,
                        GTT_TYPE_PPGTT_PML4_ENTRY,
+                       GTT_TYPE_PPGTT_PML4_PT,
                        GTT_TYPE_PPGTT_PDP_PT,
                        GTT_TYPE_INVALID),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PDP_PT,
                        GTT_TYPE_PPGTT_PDP_ENTRY,
+                       GTT_TYPE_PPGTT_PDP_PT,
                        GTT_TYPE_PPGTT_PDE_PT,
                        GTT_TYPE_PPGTT_PTE_1G_ENTRY),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_ROOT_L3_ENTRY,
                        GTT_TYPE_PPGTT_ROOT_L3_ENTRY,
+                       GTT_TYPE_INVALID,
                        GTT_TYPE_PPGTT_PDE_PT,
                        GTT_TYPE_PPGTT_PTE_1G_ENTRY),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PDP_ENTRY,
                        GTT_TYPE_PPGTT_PDP_ENTRY,
+                       GTT_TYPE_PPGTT_PDP_PT,
                        GTT_TYPE_PPGTT_PDE_PT,
                        GTT_TYPE_PPGTT_PTE_1G_ENTRY),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PDE_PT,
                        GTT_TYPE_PPGTT_PDE_ENTRY,
+                       GTT_TYPE_PPGTT_PDE_PT,
                        GTT_TYPE_PPGTT_PTE_PT,
                        GTT_TYPE_PPGTT_PTE_2M_ENTRY),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PDE_ENTRY,
                        GTT_TYPE_PPGTT_PDE_ENTRY,
+                       GTT_TYPE_PPGTT_PDE_PT,
                        GTT_TYPE_PPGTT_PTE_PT,
                        GTT_TYPE_PPGTT_PTE_2M_ENTRY),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PTE_PT,
                        GTT_TYPE_PPGTT_PTE_4K_ENTRY,
+                       GTT_TYPE_PPGTT_PTE_PT,
                        GTT_TYPE_INVALID,
                        GTT_TYPE_INVALID),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PTE_4K_ENTRY,
                        GTT_TYPE_PPGTT_PTE_4K_ENTRY,
+                       GTT_TYPE_PPGTT_PTE_PT,
                        GTT_TYPE_INVALID,
                        GTT_TYPE_INVALID),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PTE_2M_ENTRY,
                        GTT_TYPE_PPGTT_PDE_ENTRY,
+                       GTT_TYPE_PPGTT_PDE_PT,
                        GTT_TYPE_INVALID,
                        GTT_TYPE_PPGTT_PTE_2M_ENTRY),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_PPGTT_PTE_1G_ENTRY,
                        GTT_TYPE_PPGTT_PDP_ENTRY,
+                       GTT_TYPE_PPGTT_PDP_PT,
                        GTT_TYPE_INVALID,
                        GTT_TYPE_PPGTT_PTE_1G_ENTRY),
        GTT_TYPE_TABLE_ENTRY(GTT_TYPE_GGTT_PTE,
                        GTT_TYPE_GGTT_PTE,
                        GTT_TYPE_INVALID,
+                       GTT_TYPE_INVALID,
                        GTT_TYPE_INVALID),
 };
 
@@ -227,6 +242,11 @@ static inline int get_next_pt_type(int type)
        return gtt_type_table[type].next_pt_type;
 }
 
+static inline int get_pt_type(int type)
+{
+       return gtt_type_table[type].pt_type;
+}
+
 static inline int get_entry_type(int type)
 {
        return gtt_type_table[type].entry_type;